- .187 - 



Marine Algae 1 ) 



( Chlor ophyceae, Phaeophyceae, Dictyotales, Rhodophyceae 2 ) 

 by Th. Reinbold — Itzehoe. 



Chlorophyceae. 

 Ulvaceae. 



Enteromorpha Link. 



1. E. pliunosa Kg. Phyc. gen. p. 300, non Ahln; De Toni Syll. 

 I. p. 132. — E. HopUrkii (M' Galla) Harv. — E. paradoxa Kg. Spec. p. 479. 



Our specimen represents a very delicate form which agrees with 

 E. paradoxa ß. angustissima Kg. Tab. phyc. VI. t. 35. Epiphytic on 

 Latirencia obhisa. 



Koh Chang-Strait in shallow water, in some places between tide-marks. 

 Area: Baltic; Atlantic; Mediterranean; Australia (probably more widely 

 distributed). 



Protoderma Kg. 



2. P. sp. 



Very thin indefinite membranaceous layers on shells. The plant 

 tolerably agrees with P. marinum Rke. Algenfl. W. Ostsee p. 81. which 

 is abundant in the Baltic and the German Sea, covering stones and shells, 

 (cfr. P. viride Kg. Tab. phyc. VI. t. 11). In Engl. u. Prantl Pflanzf. p. 78 

 Protoderma is denoted as genus dubium. 



Lem Ngob, on dead shells in the mangrove. 



Caulerpaceae. 

 Caulerpa Lamx. 



3. C. filiforinis (Harv.) J. Ag. Alg. Syst. I. p. 5; Web. v. Bosse 

 Gaulerpa p. 262; De Toni Syll. I. p. 442. — Herpocliaete filiformis Harv. 

 List Friendl. Isl. Alg. Nr. 95. 



Fragments only. 



Koh Kahdat in 1 — 2 fathoms water (coral-sand). 

 Area: Friendly Islds. 



*) With an asterisk I have marked the species already known from Siam. 

 2 ) As to the marine Myxophyceae see the following paper by Gom ont. As 

 to the Corallinaceae see part II. of these contributions. 



